:root{--color-bg: #121212;--color-card-bg: #1E1E1E;--color-primary: #00FF9D;--color-danger: #FF4500;--color-text: #E0E0E0;--color-text-dim: #A0A0A0;--font-family: "Inter", system-ui, -apple-system, sans-serif;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--radius-md: 12px;--radius-lg: 16px}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{background-color:var(--color-bg);color:var(--color-text);font-family:var(--font-family);display:flex;justify-content:center;min-height:100vh}#app{width:100%;max-width:480px;padding:var(--spacing-md);display:flex;flex-direction:column;gap:var(--spacing-lg)}h1{text-align:left;color:var(--color-primary);text-transform:uppercase;letter-spacing:2px;margin:0;text-shadow:0 0 10px rgba(0,255,157,.3);font-size:1.5rem}.app-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-sm)}#streak-display{font-size:1.2rem;font-weight:700;color:gold;text-shadow:0 0 5px rgba(255,215,0,.5);display:flex;align-items:center;gap:4px}.dashboard-grid{display:flex;flex-direction:column;gap:var(--spacing-md)}.levelup-overlay{z-index:200;align-items:center;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.levelup-content{background-color:var(--color-card-bg);border:2px solid var(--color-primary);box-shadow:0 0 30px var(--color-primary);padding:var(--spacing-lg);border-radius:var(--radius-lg);text-align:center;width:90%;max-width:400px;animation:pulse 2s infinite}.levelup-content h2{color:var(--color-primary);font-size:2rem;margin-bottom:var(--spacing-md);text-transform:uppercase}.levelup-details{display:flex;justify-content:center;align-items:center;gap:var(--spacing-md);font-size:1.5rem;font-weight:700;margin:var(--spacing-lg) 0}.levelup-details .arrow{color:var(--color-text-dim)}@keyframes pulse{0%{box-shadow:0 0 20px #00ff9d33}50%{box-shadow:0 0 40px #00ff9d80}to{box-shadow:0 0 20px #00ff9d33}}.exercise-card{background-color:var(--color-card-bg);border-radius:var(--radius-md);padding:12px;display:flex;flex-direction:row;align-items:center;gap:16px;cursor:pointer;transition:transform .2s;border:1px solid #333;position:relative;overflow:hidden}.card-progress-bar{position:absolute;bottom:0;left:0;height:4px;background-color:var(--color-primary);opacity:.8;transition:width .3s ease}.exercise-card:active{transform:scale(.98)}.card-icon{width:64px;height:64px;background-color:#ffffff1a;border-radius:50%;display:flex;justify-content:center;align-items:center;font-size:2rem;overflow:hidden}.icon-img{width:100%;height:100%;object-fit:cover}.card-info{flex:1}.card-title{font-weight:700;font-size:1rem}.card-badges{display:flex;gap:8px}.badge-pill{padding:4px 8px;border-radius:12px;font-size:.75rem;display:flex;align-items:center;justify-content:center;min-width:60px}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#000000d9;display:flex;justify-content:center;align-items:flex-end;z-index:100;opacity:0;pointer-events:none;transition:opacity .3s}.modal-overlay.active{opacity:1;pointer-events:auto}.modal-content{background-color:var(--color-card-bg);width:100%;max-width:480px;border-radius:var(--radius-lg) var(--radius-lg) 0 0;padding:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-md);box-shadow:0 -4px 20px #00000080;transform:translateY(100%);transition:transform .3s cubic-bezier(.16,1,.3,1)}.modal-overlay.active .modal-content{transform:translateY(0)}.tier-grid{display:grid;grid-template-columns:1fr;gap:8px}.tier-btn{background-color:#333;border:1px solid #444;color:var(--color-text);padding:12px 16px;border-radius:8px;font-weight:700;cursor:pointer;display:flex;flex-direction:row;justify-content:space-between;align-items:center;font-size:1rem}.tier-btn.selected{background-color:var(--color-primary);color:#000;border-color:var(--color-primary)}.tier-val{font-size:1.1rem;margin-top:4px}.action-btn{background-color:var(--color-primary);color:#000;border:none;padding:16px;border-radius:var(--radius-md);font-weight:700;font-size:1rem;text-transform:uppercase;cursor:pointer;margin-top:var(--spacing-sm)}.close-btn{background:none;border:none;color:var(--color-text-dim);align-self:flex-end;font-size:1.5rem;cursor:pointer;padding:4px}.timer-container{display:flex;flex-direction:column;align-items:center;gap:16px;margin:var(--spacing-lg) 0}.timer-display{font-size:3.5rem;font-weight:700;font-family:monospace;color:#fff;text-shadow:0 0 10px rgba(0,123,255,.5)}.timer-controls{display:flex;gap:16px;justify-content:center}.timer-btn{width:60px;height:60px;border-radius:50%;border:none;display:flex;justify-content:center;align-items:center;font-size:1.5rem;cursor:pointer;transition:transform .1s}.timer-btn:active{transform:scale(.95)}.btn-play{background-color:#007bff;color:#fff;box-shadow:0 4px 15px #007bff4d}.btn-reset{background-color:#e0e0e0;color:#333}.hidden{display:none!important}#bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;background-color:#121212f2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid #333;display:flex;justify-content:space-around;padding:12px 0;z-index:50}.nav-item{display:flex;flex-direction:column;align-items:center;color:var(--color-text-dim);font-size:.8rem;cursor:pointer;transition:color .2s}.nav-item.active{color:var(--color-primary)}.nav-icon{font-size:1.2rem;margin-bottom:4px}.calendar-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-md);color:var(--color-primary);text-transform:uppercase;padding:0 var(--spacing-sm)}.month-title h2{font-size:1.2rem;margin:0}.nav-arrow{background:none;border:1px solid var(--color-primary);color:var(--color-primary);width:32px;height:32px;border-radius:50%;display:flex;justify-content:center;align-items:center;font-size:1.2rem;cursor:pointer;transition:all .2s}.nav-arrow:active{background-color:var(--color-primary);color:#000}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;background-color:var(--color-card-bg);padding:var(--spacing-md);border-radius:var(--radius-md);border:1px solid #333}.calendar-day-header{text-align:center;font-weight:700;color:var(--color-text-dim);font-size:.8rem;padding-bottom:8px}.calendar-day{aspect-ratio:1;display:flex;flex-direction:column;align-items:center;justify-content:center;background-color:#ffffff0d;border-radius:8px;position:relative;font-size:.9rem}.calendar-day.empty{background-color:transparent}.calendar-day.today{border:1px solid var(--color-primary)}.day-number{position:absolute;top:4px;left:4px;font-size:.7rem;color:var(--color-text-dim)}.day-status{margin-top:12px;font-weight:700}.day-hit{background-color:#00ff9d1a}.workout-count{color:var(--color-primary)}.day-miss{background-color:#ff45001a}.missed-mark{color:var(--color-danger)}.future-day{color:var(--color-text-dim);opacity:.3}